porcelain

The 60fps rainbow works as a fun stress test demo, but really you should not be pushing events down the wire every 16ms to animate something on the client :) That said, you are right that SVG charts/maps are a surprisingly fantastic fit for LiveView. You could actually render a fully interactive and dynamically updating chart by only sending SVGs – and it will probably send less data than hydrating the same client-side chart with JSON! Check out the Context Chart lib for some examples. They have some links running LiveView examples if you scroll down: https://contex-charts.org > What’s the story in Phoenix and Elixir land for handling external shell processes from web requests Great story here thru erlang ports. I'm a big fan of the Porcelain library which wraps ports with some nice features on top: https://github.com/alco/porcelain

Here's an example you can try on any Linux System running procfs. https://gist.github.com/amorphid/4a65741d14db38b96341d7e1f2d... The short version is I'm passing a variable in via the pid's standard in, reading the line, and then declaring the variable. This is a very contrived example :) But you can write a wrapper script that would handle all of the line reading for you. This originally came up when I was asking someone how to pass sensitive information (API keys, passwords, etc.). I did some research, and found this approach. In most programming languages, for basic system calls, you basically just call a command, that command runs, and then exits. But sometimes you want a script that can take information from standard in, or send it to you from standard out. Like you may write a script that runs for a few minutes, then says "OK,

Agree with what you have said but check out porcelain + goon (which is written in go) for handling external processes [1] - it's really great. [1] https://github.com/alco/porcelain Also erlport looks interesting: http://erlport.org/docs/python.html